SOnce again Howard Stern is fulfilling his mission of delving deeply into the sex lives of our childhood-and more recent-crushes. On the hot seat for tonight's installment of Stern's On Demand show is none other than Marsha Brady, nee Maureen McCormick. As one of the top five teen idols of the late 60's and early 70's, there is one crucial thing the world needs to know about McCormick: Has she had anal? She has! But does she like it? Folks on both sides of the issue are going to have to rework their Marsha Brady fantasies. Clip after the jump. Click to view Also? 34 years after The Brady Bunch went off the air and she is still so amazingly hot! And that's not just nostalgia talking.